One product issued by NWS for: Kankakee IL
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
219 PM CDT Wed Jun 17 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-181930-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
219 PM CDT Wed Jun 17 2026 /319 PM EDT Wed Jun 17 2026/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Tornado Risk mainly south of the Kankakee River.
Level 3 of 5 Damaging Wind Risk...up to 65 mph.
Level 3 of 5 Large Hail Risk...up to half dollar size.
Significant Flooding Risk mainly near and south of I-80.
High Swim Risk Illinois Lake Michigan Beaches.
DISCUSSION...
Thunderstorms are expected this afternoon and early evening. The
strongest storms, currently favored south of the Kankakee River,
will be capable of producing large hail, damaging winds, and
potentially strong tornadoes. Farther north, damaging winds will
be the biggest concern with afternoon storms.
Thunderstorms today will also be capable of producing torrential
rainfall which could lead to localized flash flooding and sudden
river/stream rises.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
High Swim Risk Porter County Lake Michigan Beaches.
Saturday...
Limited Thunderstorm Risk.
Sunday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
Monday and Tuesday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed this afternoon and evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east at 50 to 60 mph.
$$